98 lines
2.7 KiB
Python
98 lines
2.7 KiB
Python
"""
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Support for LiteJet lights.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/light.litejet/
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"""
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import logging
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from homeassistant.components import litejet
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from homeassistant.components.light import (
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ATTR_BRIGHTNESS, SUPPORT_BRIGHTNESS, Light)
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_LOGGER = logging.getLogger(__name__)
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DEPENDENCIES = ['litejet']
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ATTR_NUMBER = 'number'
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up lights for the LiteJet platform."""
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litejet_ = hass.data['litejet_system']
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devices = []
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for i in litejet_.loads():
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name = litejet_.get_load_name(i)
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if not litejet.is_ignored(hass, name):
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devices.append(LiteJetLight(hass, litejet_, i, name))
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add_entities(devices, True)
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class LiteJetLight(Light):
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"""Representation of a single LiteJet light."""
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def __init__(self, hass, lj, i, name):
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"""Initialize a LiteJet light."""
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self._hass = hass
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self._lj = lj
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self._index = i
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self._brightness = 0
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self._name = name
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lj.on_load_activated(i, self._on_load_changed)
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lj.on_load_deactivated(i, self._on_load_changed)
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def _on_load_changed(self):
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"""Handle state changes."""
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_LOGGER.debug("Updating due to notification for %s", self._name)
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self.schedule_update_ha_state(True)
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@property
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def supported_features(self):
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"""Flag supported features."""
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return SUPPORT_BRIGHTNESS
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@property
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def name(self):
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"""Return the light's name."""
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return self._name
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@property
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def brightness(self):
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"""Return the light's brightness."""
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return self._brightness
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@property
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def is_on(self):
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"""Return if the light is on."""
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return self._brightness != 0
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@property
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def should_poll(self):
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"""Return that lights do not require polling."""
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return False
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@property
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def device_state_attributes(self):
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"""Return the device state attributes."""
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return {
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ATTR_NUMBER: self._index
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}
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def turn_on(self, **kwargs):
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"""Turn on the light."""
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if ATTR_BRIGHTNESS in kwargs:
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brightness = int(kwargs[ATTR_BRIGHTNESS] / 255 * 99)
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self._lj.activate_load_at(self._index, brightness, 0)
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else:
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self._lj.activate_load(self._index)
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def turn_off(self, **kwargs):
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"""Turn off the light."""
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self._lj.deactivate_load(self._index)
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def update(self):
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"""Retrieve the light's brightness from the LiteJet system."""
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self._brightness = self._lj.get_load_level(self._index) / 99 * 255
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